Disney Research may someday replace actors inside fuzzy costumes with fully robotic animatronic characters that will roam freely throughout its theme parks. We hope you know how to use a popcorn bucket or a mylar balloon as a defensive weapon.

Khail and Ashley aren't convinced that untethered robot characters roaming Disney theme parks is such a good idea. Plus, they explain how scientists grew a semi-working rat limb and discuss a shoe factory converted into a huge playground. #TDCharacter